Remove/Install Cooling System Fan Unit - AR20.40-P-5050MNJ
Engine 178 in model 190.381
| Risk of injury due to fan starting unexpectedly | Do not reach into the rotation or hazard area of the fan. Wear closed and close-fitting work clothes. | AS20.40-Z-0001-01A | |
| Risk of injury. Skin or eye injuries may result when handling hot or glowing objects. | Wear protective gloves, protective clothing and safety glasses, if necessary. | AS00.00-Z-0002-01A | |
| Risk of injury caused by scraping or cutting body parts on sharp vehicle parts | Always wear protective gloves when working on or near sharp and non-deburred vehicle parts. Deburr repair panels. |
AS00.00-Z-0017-01A | |
| Topical note | Notes on working in engine compartment | AH60.00-P-0042-01RG | |
| Topical note | Information on preventing damage to electronic components due to electrostatic discharge | AH54.00-P-0001-01A | |
| Topical note | Notes on avoiding damage through contamination and foreign objects | AH00.00-P-5000-01A | |
| Remove/install | |||
| 1 | Drain off coolant. | AR20.00-P-1142MNJ | |
| 2 | Remove upper engine cover. | ||
| 3 | Remove engine air intake ducts (2). | Fig 2 | |
| 4 | Remove upper air duct segment (3). | Fig 2 | |
| 5 | Release and disconnect electrical connector (5) and remove electrical wiring harness (7) from air duct segment. | ||
| 6 | Remove rear coolant line from air duct segment (10). | ||
| 7 | Remove air duct segment (10). | Fig 2 | |
| 8 | Remove coolant lines (8, 11) from cooler and place to one side. | AR20.20-P-7441-01RQ | |
| 9 | Release bumper in upper area. | AR88.20-P-2000RG | |
| 10 | Remove crossmember (6). | *BA62.30-P-1003-02N | |
| Fig 2 | |||
| 11 | Remove brackets (4). | *BA20.20-P-1016-01Q | |
| 12 | Remove screws of fan unit (9) from cooler unit. | *BA20.20-P-1016-01Q | |
| 13 | Remove fan unit (9). | ||
| 14 | Install in the reverse order. | ||
| Check | |||
| Risk of burn injuries , suffocation and poisoning when working on the exhaust system and the components connected to it. Risk of suffocation and risk of poisoning caused by inhalation of gaseous and solid components of the exhaust. Risk of poisoning caused by skin contact with solid components of the exhaust. | Wear protective clothing and safety glasses. Use the extraction system. Move people out of the hazard area. | AS49.00-Z-0001-01A | |
| Risk of accident from vehicle starting off by itself when engine running. Risk of injury (bruises and burns) resulting from working on the engine while it is being started or when it is running. | Secure vehicle to prevent it from starting off by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts. |
AS00.00-Z-0005-01A | |
| 15 | Perform engine test run and check fan unit (9) for proper operation. |
RADIATOR, COOLANT HOSES
| Number | Designation | Engine 178 | |
|---|---|---|---|
| BA20.20-P-1016-01Q | Screw, cooler unit to holder | Nm | 8 |
FRONT END WITH FRONT REINFORCEMENT
| Number | Designation | Model 190 | |
|---|---|---|---|
| BA62.30-P-1003-02N | Bolt, center bracket to cross member | Nm | 8 |